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AWS E309 vs. EN 1.4874 Stainless Steel

Both AWS E309 and EN 1.4874 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E309 and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
6.7
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 620
480

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.7
7.6
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 180
290

Common Calculations

PREN (Pitting Resistance) 25
34
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0 to 0.15
0.35 to 0.65
Chromium (Cr), % 22 to 25
19 to 22
Cobalt (Co), % 0
18.5 to 22
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
23 to 38.9
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
2.5 to 3.0
Nickel (Ni), % 12 to 14
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0